BTS Guidelines Control and Prevention of Tuberculosis
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Thorax 2000;55:887–901 887 BTS Guidelines Thorax: first published as 10.1136/thorax.55.11.887 on 1 November 2000. Downloaded from Control and prevention of tuberculosis in the United Kingdom: Code of Practice 2000 *Subcommittee comprising Peter Joint Tuberculosis Committee of the British Thoracic Society* Ormerod, Royal Infirmary Blackburn (Chairman, Joint Tuberculosis Committee); Craig Keywords: tuberculosis; BTS guidelines; code of Skinner, Heartlands Abstract practice Hospital, Birmingham; Background—The guidelines on control John Moore-Gillon, St and prevention of tuberculosis in the Bartholomew’s and The United Kingdom have been reviewed and Introduction/evidence criteria Royal London Hospitals, updated. London; Peter Davies, Since publication of the previous control and Aintree University Methods—A subcommittee was appointed prevention guidelines in 19941 new data have Hospital, Liverpool; by the Joint Tuberculosis Committee become available in a number of areas, Mary Connolly, Chest (JTC) of the British Thoracic Society to particularly in infection control, bovine tuber- Clinic, Birmingham revise the guidelines published in 1994 by culosis, and the risks of transmission of tuber- (representing Royal the JTC, including representatives of the culosis during air travel which have brought College of Nursing Royal College of Nursing, Public Health Tuberculosis Special requests for advice. The epidemiology of Interest Group); Virginia Medicine Environmental Group, and tuberculosis in Britain has continued to change Gleissberg, Chest Clinic, Medical Society for Study of Venereal in recent years. Newham, London Diseases. In preparing the revised guide- The numbers of notified cases in England (representing Royal lines the authors took account of new pub- and Wales, which had declined to 5085 in College of Nursing lished evidence and graded the strength of Tuberculosis Special 1987, rose to 5798 in 1992 and 6087 in 1998. Interest Group); John evidence for their recommendations. The The increases have been greatest in urban Watson, Public Health guidelines have been approved by the JTC areas, particularly in London, whereas the Laboratory Service and the Standards of Care Committee of decline has continued in most rural areas.2 The Communicable Disease the British Thoracic Society. 1998 National Survey of Tuberculosis in Eng- Surveillance Centre, Recommendations—Tuberculosis services land and Wales confirmed a continuation of the http://thorax.bmj.com/ London (representing in each district should have staYng and Faculty of Public Health trend for increasing numbers of cases in Medicine); Anton resources to fulfil both the control and pre- minority ethnic groups such as those of Indian Pozniak, Chelsea and vention recommendations in this docu- subcontinent and black African origin.3 Notifi- Westminster Hospital, ment and to ensure adequate treatment cation rates in these groups remain very high. London (representing monitoring. Notification of tuberculosis is In 1998, 56% of reported cases were in people Medical Society for the required for surveillance and to initiate not born in the United Kingdom. HIV contin- Study of Venereal contact tracing (where appropriate). The Diseases); Ruth Gelletlie, ues to contribute to tuberculosis case numbers: Bradford (representing following areas are discussed and recom- at least 3.0% of tuberculosis cases in 1998 were the Public Health mendations made where appropriate: (1) estimated to be HIV infected. Drug resistance on September 24, 2021 by guest. Protected copyright. Medicine Environmental public health law in relation to tuberculo- remains an important issue although rates have Group); Ann Cockcroft, sis; (2) the organisational requirements for not risen in recent years.4 In 1998, 6.1% of ini- Occupational Medicine tuberculosis services; (3) measures for tial isolates in the United Kingdom were resist- Department, Royal Free control of tuberculosis in hospitals, includ- Hospital, London ant to isoniazid and 1.3% were multidrug (co-opted); Francis ing segregation of patients; (4) the require- resistant (PHLS unpublished data (Mycob- Drobniewski, Director ments for health care worker protection, net)). The Joint Tuberculosis Committee PHLS Mycobacterium including HIV infected health care work- (JTC) of the British Thoracic Society (BTS) Reference Unit, London ers; (5) measures for control of tuberculo- has reviewed these new and previous data to (co-opted); Jane Leese, sis in prisons; (6) protection for other produce this updated advice. No category A Department of Health, groups with potential exposure to tubercu- 56 London. data using recognised criteria (table 1) are losis; (7) awareness of the high rates of available, category B recommendations are Correspondence to: tuberculosis in the homeless together with highlighted throughout the text, and all other Professor L P Ormerod, local plans for detection and action; (8) recommendations should be regarded as of Department of Respiratory detailed advice on contact tracing; (9) con- Medicine, Blackburn Royal category C level. Infirmary, Blackburn tact tracing required for close contacts of BB2 3LR, UK bovine tuberculosis; (10) management of [email protected] tuberculosis in schools; (11) screening of Notification/surveillance All forms of tuberculosis are compulsorily Received 2 April 2000 new immigrants and how this should be Returned to authors performed; (12) outbreak contingency in- notifiable under the Public Health (Control of 20 June 2000 vestigation; and (13) BCG vaccination and Disease) Act 1984. The doctor making or sus- Revised version received pecting the diagnosis is legally responsible for 27 July 2000 the management of positive reactors found Accepted for publication in the schools programme. notification. A decision to commence treat- 22 August 2000 (Thorax 2000;55:887–901) ment (but not chemoprophylaxis) indicates a www.thoraxjnl.com 888 Joint Tuberculosis Committee of the British Thoracic Society Table 1 Levels of evidence and grading of recommendations (based on AHPCR 56) interventions monitored. Since January 1999 a Thorax: first published as 10.1136/thorax.55.11.887 on 1 November 2000. Downloaded from national programme of enhanced surveillance Level Type of evidence has been running in England and Wales and Ia Evidence obtained from meta-analysis of randomised Northern Ireland joined the scheme from controlled trials January 2000. Scotland also began enhanced Ib Evidence obtained from at least one randomised controlled trial tuberculosis surveillance from January 2000. IIa Evidence obtained from at least one well designed In many health districts the form for the controlled study without randomisation enhanced surveillance acts as the notification. IIb Evidence obtained from at least one other type of well designed quasi-experimental study Participating in enhanced surveillance is III Evidence obtained from well designed strongly supported by the JTC as it will allow non-experimental descriptive studies such as continuous monitoring of numbers of cases, comparative studies, correlation studies, and case controlled studies types of disease, and geographical distribution IV Evidence obtained from expert committee reports of and will ultimately form the basis for regular opinions and/or clinical experiences of respected outcome monitoring. It will, however, need to authorities be appropriately resourced. Detailed advice on Grade Type of recommendations notification and improving notification rates is A (levels Ia, Ib) Requires at least one randomised controlled trial as 7 part of a body of literature of overall good quality and available. consistency addressing the specific recommendation B (levels IIa, IIb, III) Requires availability of well conducted clinical studies but no randomised clinical trials on the topic of Public health law recommendation Compulsory treatment is not allowed but in C (level IV) Requires evidence from expert committee reports or opinions and/or clinical experience of respected exceptional circumstances it may be necessary authorities. Indicates absence of directly applicable to consider compulsory admission of a patient studies of good quality who is causing serious risk of infection to others.10 Compulsory admission is only possi- Table 2 Areas to be covered by the local tuberculosis policy ble where the person has infectious tuberculo- sis of the respiratory tract. Clearly this is not v Aims and objectives v Contact tracing the kind of action to be undertaken lightly as it v Surveillance v Immunisation including neonatal policy v Identification of cases v Occupational health involves depriving someone of his or her v Diagnosis v Prisons and other institutions liberty. The CCDC or equivalent and tubercu- v Notification v Education and training losis clinician will want to discuss possible v Treatment v Monitoring and audit v Case management v Health education invocation of the law with the legal department v Outcome monitoring v Provision of adequate resources of their local authority. If the person has to be v Hospital infection control v Research and audit v Screening of vulnerable groups (asylum v Contingency arrangements for outbreak detained it will be necessary to obtain a magis- seekers, refugees, homeless people, etc) investigation trate’s order for admission (Section 37) and another order for detention (Section 38).10 level of suspicion which should trigger notifica- Compulsory medical examination can also be tion for all forms of tuberculosis. required (Section 35) under the Public Health